21845341703 has 2 divisors, whose sum is σ = 21845341704. Its totient is φ = 21845341702.

The previous prime is 21845341697. The next prime is 21845341753. The reversal of 21845341703 is 30714354812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21845341703 - 2²⁴ = 21828564487 is a prime.

It is a super-3 number, since 3×21845341703³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21845341753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10922670851 + 10922670852.

It is an arithmetic number, because the mean of its divisors is an integer number (10922670852).

Almost surely, 2^21845341703 is an apocalyptic number.

21845341703 is a deficient number, since it is larger than the sum of its proper divisors (1).

21845341703 is an equidigital number, since it uses as much as digits as its factorization.

21845341703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 21845341703 in words is "twenty-one billion, eight hundred forty-five million, three hundred forty-one thousand, seven hundred three".